* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- *
- * @(#) $Header: /tcpdump/master/tcpdump/tcpdump-stdinc.h,v 1.18 2007-11-24 18:13:33 mcr Exp $ (LBL)
*/
/*
#include <sys/types.h>
#include <net/netdb.h> /* in wpcap's Win32/include */
+#ifndef NBBY
+#define NBBY 8
+#endif
+
#if !defined(__MINGW32__) && !defined(__WATCOMC__)
-#undef toascii
-#define isascii __isascii
-#define toascii __toascii
#define stat _stat
#define open _open
#define fstat _fstat
#define read _read
#define close _close
#define O_RDONLY _O_RDONLY
-
-typedef short ino_t;
#endif /* __MINGW32__ */
#ifdef __MINGW32__
extern int inet_pton (int, const char *, void *);
extern int inet_aton (const char *cp, struct in_addr *addr);
-#ifndef INET6_ADDRSTRLEN
-#define INET6_ADDRSTRLEN 46
+/*
+ * With MSVC, for C, __inline is used to make a function an inline.
+ */
+#ifdef _MSC_VER
+#define inline __inline
#endif
-#ifndef toascii
-#define toascii(c) ((c) & 0x7f)
+#ifndef INET6_ADDRSTRLEN
+#define INET6_ADDRSTRLEN 46
#endif
#ifndef caddr_t
#endif /* WIN32 */
-#ifdef INET6
-#include "ip6.h"
+#ifndef HAVE___ATTRIBUTE__
+#define __attribute__(x)
+#endif
+
+/*
+ * Used to declare a structure unaligned, so that the C compiler,
+ * if necessary, generates code that doesn't assume alignment.
+ * This is required because there is no guarantee that the packet
+ * data we get from libpcap/WinPcap is properly aligned.
+ *
+ * This assumes that, for all compilers that support __attribute__:
+ *
+ * 1) they support __attribute__((packed));
+ *
+ * 2) for all instruction set architectures requiring strict
+ * alignment, declaring a structure with that attribute
+ * causes the compiler to generate code that handles
+ * misaligned 2-byte, 4-byte, and 8-byte integral
+ * quantities.
+ *
+ * It does not (yet) handle compilers where you can get the compiler
+ * to generate code of that sort by some other means.
+ *
+ * This is required in order to, for example, keep the compiler from
+ * generating, for
+ *
+ * if (bp->bp_htype == 1 && bp->bp_hlen == 6 && bp->bp_op == BOOTPREQUEST) {
+ *
+ * in print-bootp.c, code that loads the first 4-byte word of a
+ * "struct bootp", masking out the bp_hops field, and comparing the result
+ * against 0x01010600.
+ *
+ * Note: this also requires that padding be put into the structure,
+ * at least for compilers where it's implemented as __attribute__((packed)).
+ */
+#if defined(_MSC_VER) && defined(UNALIGNED)
+/* MSVC may have its own macro defined with the same name and purpose. */
+#else
+#define UNALIGNED __attribute__((packed))
#endif
#if defined(WIN32) || defined(MSDOS)
#define FOPEN_WRITE_BIN FOPEN_WRITE_TXT
#endif
-#if defined(__GNUC__) && defined(__i386__) && !defined(__ntohl)
+#if defined(__GNUC__) && defined(__i386__) && !defined(__APPLE__) && !defined(__ntohl)
#undef ntohl
#undef ntohs
#undef htonl
#define FALSE 0
#endif
+/*
+ * The Apple deprecation workaround macros below were adopted from the
+ * FreeRADIUS server code under permission of Alan DeKok and Arran Cudbard-Bell.
+ */
+
+#define XSTRINGIFY(x) #x
+
+/*
+ * Macros for controlling warnings in GCC >= 4.2 and clang >= 2.8
+ */
+#define DIAG_JOINSTR(x,y) XSTRINGIFY(x ## y)
+#define DIAG_DO_PRAGMA(x) _Pragma (#x)
+
+#if defined(__GNUC__) && ((__GNUC__ * 100) + __GNUC_MINOR__) >= 402
+# define DIAG_PRAGMA(x) DIAG_DO_PRAGMA(GCC diagnostic x)
+# if ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406
+# define DIAG_OFF(x) DIAG_PRAGMA(push) DIAG_PRAGMA(ignored DIAG_JOINSTR(-W,x))
+# define DIAG_ON(x) DIAG_PRAGMA(pop)
+# else
+# define DIAG_OFF(x) DIAG_PRAGMA(ignored DIAG_JOINSTR(-W,x))
+# define DIAG_ON(x) DIAG_PRAGMA(warning DIAG_JOINSTR(-W,x))
+# endif
+#elif defined(__clang__) && ((__clang_major__ * 100) + __clang_minor__ >= 208)
+# define DIAG_PRAGMA(x) DIAG_DO_PRAGMA(clang diagnostic x)
+# define DIAG_OFF(x) DIAG_PRAGMA(push) DIAG_PRAGMA(ignored DIAG_JOINSTR(-W,x))
+# define DIAG_ON(x) DIAG_PRAGMA(pop)
+#else
+# define DIAG_OFF(x)
+# define DIAG_ON(x)
+#endif
+
+/*
+ * For dealing with APIs which are only deprecated in OSX (like the OpenSSL API)
+ */
+#ifdef __APPLE__
+# define USES_APPLE_DEPRECATED_API DIAG_OFF(deprecated-declarations)
+# define USES_APPLE_RST DIAG_ON(deprecated-declarations)
+#else
+# define USES_APPLE_DEPRECATED_API
+# define USES_APPLE_RST
+#endif
+
+/*
+ * end of Apple deprecation workaround macros
+ */
+
+#ifndef min
+#define min(a,b) ((a)>(b)?(b):(a))
+#endif
+#ifndef max
+#define max(a,b) ((b)>(a)?(b):(a))
+#endif
+
#endif /* tcpdump_stdinc_h */
projects / tcpdump / blobdiff